{"id":"000025167","type":"book","title":"Alexander von Humboldt und die Eiszeit: Forschungsunternehmen der Humboldt-Gesellschaft, N 1.- Aarau","container-title":"Gesnerus; 30.1973, No.3-4, S.105-121","author":[{"family":"Beck","given":"Hanno"}],"issued":{"raw":"1973"}}